:root{--wa-header: #075e54;--wa-green: #25d366;--wa-green-dark: #128c7e;--wa-bubble-out: #dcf8c6;--wa-bubble-in: #ffffff;--wa-bg: #ece5dd;--wa-text: #111b21;--wa-sub: #667781;--wa-input-bg: #f0f0f0;--blue-check: #53bdeb;--page-bg: #f7f9f4}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--page-bg);color:var(--wa-text);font-family:-apple-system,Helvetica Neue,PingFang SC,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.site{max-width:960px;margin:0 auto;padding:0 20px}.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 0}.nav-left,.nav-right{display:flex;align-items:center;gap:10px}.lang-switch{display:flex;gap:2px;background:var(--wa-bg);border:1px solid #d5cdc0;border-radius:16px;padding:2px}.lang-switch button{border:none;background:none;font-size:12px;padding:4px 10px;border-radius:13px;cursor:pointer;color:var(--wa-sub);font-weight:500}.lang-switch button.active{background:var(--wa-header);color:#fff}.panel-right{display:flex;align-items:center;gap:8px}.panel-head .lang-switch{background:#ffffff24;border-color:#ffffff40}.panel-head .lang-switch button{color:#fffc}.panel-head .lang-switch button.active{background:#fff;color:var(--wa-header)}.nav-logo{width:36px;height:36px;border-radius:50%;background:var(--wa-header);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}.nav-name{font-size:17px;font-weight:700;color:var(--wa-header)}.cta{background:var(--wa-green);border:none;color:#053c2e;font-weight:700;border-radius:24px;cursor:pointer;transition:filter .15s}.cta:hover{filter:brightness(1.06)}.cta.small{padding:9px 18px;font-size:14px}.cta.big{padding:14px 32px;font-size:17px;box-shadow:0 4px 14px #25d36659}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:48px 0 64px}.hero h1{font-size:34px;line-height:1.25;margin:0 0 16px;color:var(--wa-text)}.hero-sub{font-size:16px;line-height:1.7;color:var(--wa-sub);margin:0 0 28px}.hero-note{margin-top:14px;font-size:13px;color:var(--wa-sub)}.phone-mock{background:var(--wa-bg);border-radius:16px;box-shadow:0 12px 40px #075e542e;overflow:hidden;max-width:340px;margin-left:auto}.mock-head{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--wa-header);color:#fff}.mock-logo{width:34px;height:34px;border-radius:50%;background:#ffffff2e;display:flex;align-items:center;justify-content:center;font-size:17px}.mock-name{font-size:14px;font-weight:600}.mock-status{font-size:11px;color:#ffffffd9}.mock-body{padding:14px;display:flex;flex-direction:column;gap:8px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='rgba(0,0,0,0.05)'%3E%3Ccircle cx='28' cy='38' r='4'/%3E%3Cpath d='M70 18 l4 8 8 4 -8 4 -4 8 -4 -8 -8 -4 8 -4 z'/%3E%3Ccircle cx='112' cy='96' r='5'/%3E%3Crect x='94' y='14' width='9' height='9' rx='2'/%3E%3C/g%3E%3C/svg%3E")}.mock-bubble{max-width:80%;padding:7px 10px;border-radius:8px;font-size:13px;line-height:1.5;box-shadow:0 1px 1px #0000001a}.mock-bubble.in{align-self:flex-start;background:var(--wa-bubble-in);border-radius:8px 8px 8px 0}.mock-bubble.out{align-self:flex-end;background:var(--wa-bubble-out);border-radius:8px 8px 0}.mock-opt-row{align-self:flex-start;display:flex;gap:6px;margin-left:10px}.mock-opt{background:#fff;border:1px solid var(--wa-green-dark);color:var(--wa-green-dark);border-radius:14px;padding:4px 12px;font-size:12px}.features,.how,.faq{padding:40px 0}.features h2,.how h2,.faq h2{font-size:24px;text-align:center;margin:0 0 28px}.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feat{background:#fff;border:1px solid #e4eadf;border-radius:14px;padding:22px 16px;text-align:center}.feat-icon{font-size:30px;margin-bottom:10px}.feat h3{font-size:15px;margin:0 0 8px}.feat p{font-size:13px;color:var(--wa-sub);margin:0;line-height:1.6}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{background:#fff;border:1px solid #e4eadf;border-radius:14px;padding:24px 18px;text-align:center;position:relative}.step-num{width:34px;height:34px;border-radius:50%;background:var(--wa-header);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}.step h3{font-size:15px;margin:0 0 8px}.step p{font-size:13px;color:var(--wa-sub);margin:0;line-height:1.6}.faq-item{background:#fff;border:1px solid #e4eadf;border-radius:12px;margin-bottom:10px;overflow:hidden}.faq-item summary{padding:14px 18px;cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-item summary:after{content:"＋";color:var(--wa-green-dark);font-size:16px}.faq-item[open] summary:after{content:"－"}.faq-item p{margin:0;padding:0 18px 16px;font-size:14px;color:var(--wa-sub);line-height:1.7}.footer{border-top:1px solid #e4eadf;padding:24px 0 32px;text-align:center}.footer-note{margin:0 0 10px;font-size:12px;color:var(--wa-sub);line-height:1.6}.footer-links{display:flex;justify-content:center;gap:18px;margin-bottom:10px}.footer-links a{font-size:12px;color:var(--wa-sub);text-decoration:none}.footer-links a:hover{color:var(--wa-green-dark)}.copyright{font-size:12px;color:#a8b3ab;margin:0}.fab{position:fixed;right:22px;bottom:22px;width:60px;height:60px;border-radius:50%;border:none;background:var(--wa-green);color:#053c2e;font-size:26px;cursor:pointer;box-shadow:0 6px 20px #25d36673;z-index:100;transition:transform .15s}.fab:hover{transform:scale(1.06)}.fab-badge{position:absolute;top:-2px;right:-2px;background:#e53935;color:#fff;font-size:12px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid #fff}.chat-panel{position:fixed;right:22px;bottom:22px;width:min(380px,calc(100vw - 44px));height:min(600px,calc(100vh - 120px));background:var(--wa-bg);border-radius:14px;overflow:hidden;box-shadow:0 12px 44px #0000004d;z-index:100;display:flex;flex-direction:column}.panel-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--wa-header);color:#fff;flex-shrink:0}.panel-head .brand-left{display:flex;align-items:center;gap:10px}.panel-head .brand-logo{width:36px;height:36px;border-radius:50%;background:#ffffff2e;display:flex;align-items:center;justify-content:center;font-size:18px}.panel-head .brand-name{font-size:15px;font-weight:600}.panel-head .brand-sub{font-size:11.5px;color:#ffffffd9;display:flex;align-items:center;gap:4px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#7ef29b}.status-dot.off{background:#ffb4a2}.panel-close{background:none;border:none;color:#ffffffd9;font-size:18px;cursor:pointer;padding:4px}.panel-body{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:4px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='rgba(0,0,0,0.05)'%3E%3Ccircle cx='28' cy='38' r='4'/%3E%3Cpath d='M70 18 l4 8 8 4 -8 4 -4 8 -4 -8 -8 -4 8 -4 z'/%3E%3Ccircle cx='112' cy='96' r='5'/%3E%3Crect x='94' y='14' width='9' height='9' rx='2'/%3E%3Ccircle cx='14' cy='112' r='3'/%3E%3C/g%3E%3C/svg%3E")}.msg{max-width:82%;padding:6px 9px 5px;border-radius:8px;font-size:14px;line-height:1.45;word-break:break-word;display:flex;flex-direction:column;gap:3px;box-shadow:0 1px 1px #0000001f}.msg-img{max-width:100%;border-radius:6px;display:block}.msg.visitor{align-self:flex-end;background:var(--wa-bubble-out);border-radius:8px 8px 0}.msg.agent{align-self:flex-start;background:var(--wa-bubble-in);border-radius:8px 8px 8px 0}.msg.system{align-self:center;background:#fff;color:var(--wa-sub);font-size:12px;padding:6px 12px;border-radius:8px;box-shadow:0 1px 1px #0000001f;text-align:center;max-width:92%}.meta-row{display:flex;align-items:center;justify-content:flex-end;gap:3px;font-size:11px;color:var(--wa-sub);margin-top:1px}.check{color:var(--blue-check);font-size:11px;letter-spacing:-2px}.opts{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.opt{background:var(--wa-bubble-in);border:1px solid var(--wa-green-dark);color:var(--wa-green-dark);border-radius:16px;padding:6px 14px;font-size:13.5px;cursor:pointer;transition:all .15s;font-weight:500}.opt:hover{background:var(--wa-green-dark);color:#fff}.opt:active{transform:scale(.96)}.panel-input{display:flex;gap:8px;padding:10px 12px;background:var(--wa-input-bg);flex-shrink:0;align-items:center}.panel-input input{flex:1;background:#fff;border:none;border-radius:20px;color:var(--wa-text);padding:10px 16px;font-size:14.5px;outline:none}.img-btn{width:40px;height:40px;border-radius:50%;border:none;background:transparent;font-size:17px;cursor:pointer;flex-shrink:0}.img-btn:hover{background:#e2e8e0}.img-btn:disabled{opacity:.5;cursor:default}.send-btn{width:40px;height:40px;border-radius:50%;border:none;background:var(--wa-green);color:#053c2e;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.send-btn:disabled{opacity:.5}.chat-page-full{height:100%;display:flex;align-items:center;justify-content:center;background:#0b141a}.chat-panel.full{position:static;width:min(520px,100vw);height:100vh;border-radius:0;box-shadow:none;right:auto;bottom:auto}.chat-panel.full .panel-body{flex:1}@media(max-width:760px){.hero{grid-template-columns:1fr;padding:28px 0 40px}.hero h1{font-size:26px}.phone-mock{margin:0 auto}.feat-grid{grid-template-columns:1fr 1fr}.step-grid{grid-template-columns:1fr}.chat-panel{right:12px;bottom:12px;width:calc(100vw - 24px);height:min(70vh,560px)}}